Bump the npm group across 1 directory with 2 updates

Bumps the npm group with 2 updates in the / directory: [grunt-nw-builder](https://github.com/nwjs/grunt-nw-builder) and [mocha](https://github.com/mochajs/mocha).


Updates `grunt-nw-builder` from 4.7.4 to 4.7.7
- [Release notes](https://github.com/nwjs/grunt-nw-builder/releases)
- [Commits](https://github.com/nwjs/grunt-nw-builder/commits)

Updates `mocha` from 10.4.0 to 10.5.1
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/main/CHANGELOG.md)
- [Commits](mochajs/mocha@v10.4.0...v10.5.1)

---
updated-dependencies:
- dependency-name: grunt-nw-builder
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: npm
- dependency-name: mocha
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: npm
...

Signed-off-by: dependabot[bot] <[email protected]>